I was looking for an adapter to allow me to use a 140mm PC fan to help vent an enclosure for when I start using my 10w laser on my Ender 3v2.
I printed one from on here, but the walls of the duct were very thin and were not at all sturdy.
So I quickly designed this one in Onshape.
It has a 5mm thick base and 2.5mm thick walls for the duct.
I printed it in Creality CF-Carbon PLA with 3 walls, 4 top and bottom layers and 30% infill
The author marked this model as their own original creation.